"Unfortunately, we haven't found many very old rocks on Earth because our planet's surface is constantly renewed by plate tectonics, coupled with erosion."

Earth, Old

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"Unfortunately, we haven't found many very old rocks on Earth because our planet's surface is constantly renewed by plate tectonics, coupled with erosion."

Exlpore more Earth quotes

"But no, I'm still living in LA and haven't dropped off the face of the earth."

Ted Shackelford, American Actor

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"I'm the audience's representative on earth."

Michael Caine, English Actor

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"It is greater than the stars - that moving procession of human energy; greater than the palpitating earth and the things growing thereon."

Kate Chopin, American Author

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"Man must at all costs overcome the Earth's gravity and have, in reserve, the space at least of the Solar System."

Konstantin Tsiolkovsky, Russian Scientist

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"No waiting the beyond, no peering toward it,but longing to degrade not even death;we shall learn earthliness, and serve its ends,to feel its hands about us like a friend's."

Rainer Maria Rilke, German Poet

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"NASA will send up a big sun shade that will be in orbit between the earth and sun and deflect 2 or 3 percent of the sunshine back into space. It would be cheaper than the international space station."

James Lovelock, English Scientist

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"Remember, I am not trying to orbit the earth. It is a simple elevator ride for 20 minutes."

Brian Walker, American Inventor

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"As our bodies live upon the earth and find sustenance in the fruits which it produces, so our minds feed on the same truths as the intelligible and immutable substance of the divine Word contains."

Nicolas Malebranche, French Philosopher

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"Looking down at the Earth, you started to pick up a sense of speed much more than I had noticed on orbit."

Robert Crippen, American Astronaut

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"Heaven is high, Earth Wide. Bitter between them flies my sorrow."

Li Po, Chinese Poet

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Explore more quotes by Robert Duncan

"Unfortunately, we haven't found many very old rocks on Earth because our planet's surface is constantly renewed by plate tectonics, coupled with erosion."

Earth

"The formation of glass from the melting is like starting a clock. It resets the time for us to determine billions of years later."

Time

"The devout have laid out gardens in the desert."

Gardening

"If the government is going to mandate levels and punish schools for failing, they should send that money to the school system."

Government

"There is no dispute that judges need a pay raise."

Judges